obama looking beautiful in a jason wu gown. >> reporter: stealing the attention again from the president. she is much beloved here in washington on both side of the political aisle. president obama's main theme on this second inaugural day was national unity since there's an awful lot that we can get done if americans get together. at the president's second swearing in by supreme court chief justice john roberts, hundreds of thousands jammed the national mall. president obama had his hand on bibles use d by president lincon and martin luther king. >> so help me god. >> congratulations, mr. president. >> we, the people -- >> reporter: in his inaugural address president obama echoed themes sounded by lincoln and king. >> while freedom is a gift from god, it must be secured by his people here on earth. >> reporter: the president urged action on the deficit and global warming and keeping kids safe. >> we reject the belief america must choose between caring for the generation that built this country and investing in the generation who will build its futu future. >> reporter: we can, he said,